It is said that Miyoshi Shōraku was a priest in Matsuyama, Iyo (Ehime)or an owner of a teahouse in Kita no Shinchi (Osaka) or a doctor. It is also said that he was a diciple of Chikamatsu Monzaemon according to Ukiyozoushi. His name was entered at Takemoto Theater in Osaka from 1736 to 1771. It is said that he wrote Nidanme and Jūdanme in "Kanatehon chūshingura" and Nidanme in "Sugawara denju tenarai kagami."